package pack02_wordcount_partitioner;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

/**
 * @author lilulu
 * @date 2023/2/10 21:13
 */
public class WordCountMapper extends Mapper<LongWritable, Text,Text,LongWritable> {

    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {

        String[] words = value.toString().split(",");
        for (String word : words) {
            context.write(new Text(word),new LongWritable(1));
        }
    }
}
